Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Selector switch set to CH/DHW position
Boiler DHW thermostat set to MAX
Attach pressure gauge to burner pressure test point
Boiler DHW thermostat set to MAX
Attach pressure gauge to burner pressure test point
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
1. Maximum burner pressure
Allow the burner to ignite.
Refer to table for required MAX burner pressure.
2. Minimum burner pressure
Disconnect one wire from the modureg.
Mains power On
Allow the burner to ignite.
Refer to table for required MIN burner pressure.
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Allow the burner to ignite.
Refer to table for required MAX burner pressure.
2. Minimum burner pressure
| Isolate Mains Power to appliance as per TOP's P4 |
Mains power On
Allow the burner to ignite.
Refer to table for required MIN burner pressure.
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary